About 50 results
https://drivepatents.com/patents/999793 · 1 Aug 2012
Systems and methods to detect a failure of a subset of component power packs within a multiple component rechargeable power pack. At least one parameter of a charging current that is provided for a time duration to a rechargeable power pack is determined (...
https://drivepatents.com/patents/1000269 · 18 Jul 2012
A power control system controls electric devices so as to consume a power generated by a self-generated power facility using a natural energy, which is provided with a surplus power detection unit that detects the surplus portion of power generated by the ...
https://drivepatents.com/patents/1000595 · 11 Jul 2012
Provided is an electric energy storage apparatus capable of generating an AC output in a low-loss and low-noise manner without using a DC-DC converter or an inverter. The electric energy storage apparatus comprises: an electric energy storage module group ...
https://drivepatents.com/patents/1000422 · 11 Jul 2012
A battery system comprises a battery comprising a plurality of battery modules, each battery module comprising at least one battery cell, a plurality of measuring units, each comprising a plurality of primary analog front end AFE modules connected in serie...
https://drivepatents.com/patents/1001458 · 13 Jun 2012
A battery system is provided that can prevent overcharging during charging, and that can demonstrate appropriate charging performance and output performance of a secondary battery even when the battery system is used in a low-temperature environment. The b...
https://drivepatents.com/patents/1002524 · 9 May 2012
The accumulators are charged sequentially in a charging phase (P1) up to a charging state which is a low charging state. The accumulators are charged sequentially in a charging phase (P2) to a higher charging state. The accumulators are charged in ascendin...
https://drivepatents.com/patents/1005208 · 15 Feb 2012
Charging is started with charge voltage set to a first voltage value (lower than a normal charge voltage) by a charge voltage change means, the first voltage value being predetermined to ensure that secondary batteries constituting a parallel-arrangement b...
https://drivepatents.com/patents/1007985 · 9 Nov 2011
A battery power source device includes a battery block configured by parallel-corinecting a plurality of series-circuits each constituted of a secondary battery, and a cut-off element which is operable to be in a cut-off state where a charging and discharg...
https://drivepatents.com/patents/1007959 · 9 Nov 2011
A charge balancing circuit, comprising: a first inductive storage element; and a switch arrangement with a first and a second terminal, at least one control input for receiving at least one control signal, and a plurality of cell terminals. The cell termin...
https://drivepatents.com/patents/1008524 · 19 Oct 2011
A battery pack usable as a power source of an electric device, is disclosed, in which battery modules are in series; each battery module is configured to include battery cells in series; a discharge controller controls discharge power which is supplied fro...